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http://dx.doi.org/10.5125/jkaoms.2022.48.3.182

Coronoidectomy for reduction of superolateral dislocation of mandible condyle  

Seok, Hyun (Department of Oral and Maxillofacial Surgery, School of Dentistry, Jeonbuk National University)
Ko, Seung-O (Department of Oral and Maxillofacial Surgery, School of Dentistry, Jeonbuk National University)
Baek, Jin-A (Department of Oral and Maxillofacial Surgery, School of Dentistry, Jeonbuk National University)
Leem, Dae-Ho (Department of Oral and Maxillofacial Surgery, School of Dentistry, Jeonbuk National University)
Publication Information
Journal of the Korean Association of Oral and Maxillofacial Surgeons / v.48, no.3, 2022 , pp. 182-187 More about this Journal
Abstract
Superolateral dislocation of the condyle is a rare mandibular fracture. The treatment goal is to return the dislocated condyle to its original position to recover normal function. This study reports on superolateral dislocation of the condyle with mandibular body fracture. The mandibular body was completely separated, and the medial pole of the condyle head was fractured. The condyle segment was unstable and easily dislocated after reduction. The temporalis muscle on the condyle segment might have affected the dislocation of the condyle. A coronoidectomy was performed to disrupt the function of the temporalis muscle on the condyle segment in order to successfully reduce the dislocated condyle. Coronoidectomy is a simple procedure with minimal complications. We successfully performed a coronoidectomy to reduce the superolateral displaced condyle to its original position to achieve normal function. Coronoidectomy can be effectively used for reduction of superolaterally displaced condyles combined with severe maxilla-mandibular fractures.
Keywords
Coronoidectomy; Condyle fracture; Temporalis muscle;
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